#' Road Casualties in Great Britain 1969-84
#'
#' This is the \code{Seatbelts} dataset from the \code{datasets} package.
#'
#' @format A data.frame with 192 rows and 8 columns
#' @source
#' Harvey, A.C. (1989). Forecasting, Structural Time Series Models and the Kalman Filter. Cambridge University Press, pp. 519–523.
#'
#' Durbin, J. and Koopman, S. J. (2001). Time Series Analysis by State Space Methods. Oxford University Press.
#'
#' \url{https://stat.ethz.ch/R-manual/R-devel/library/datasets/html/UKDriverDeaths.html}
"data_seatbelts"
